Blue Series Pushbutton Switches

TE Alcoswitch Blue series switches are well suited for designs requiring human interface via pushbutton style switches

Image of TE Connectivity's Blue Series Pushbutton SwitchesTE Alcoswitch Blue series pushbutton is based on an innovative snap-action mechanism that produces an extremely fast switching moment. This high level of dynamics not only reduces arcing and bounce but it also results in a high number of duty cycles. The series comprises versions with SPDT and DPDT configurations and can be ordered with push on / push off or momentary function. The actuator cap of the push-button switch is available in many colors and sizes.

This miniature pushbutton is easily integrated into compact control/front panels. Despite its small case dimensions, the actuator gives a clear reliable feedback that confirms proper operation. At 265°C the solder heat resistance of the ALCOSWITCH Blue series pushbuttons is high enough for efficient, RoHS compliant wave soldering technology.

  • Miniaturized snap acting pushbutton
  • Contacts with silver inlay (high power) or gold inlay (low current, SPDT)
  • SPDT and DPDT
  • 50,000 cycles for gold plating
  • 25,000 cycles for silver plating
  • Tactile and audible feedback
  • Wire lug or PC board terminals
  • Contact rating up to:
    • 1.5 A @ 250 VAC (EMEA)
    • 3 A @ 125 VAC (North America)
  • Hardware included
  • Boot Seals available
  • Multiple actuator buttons available in both color and size


  • Industrial equipment
  • Medical equipment
  • Instrumentation
  • Communication equipment
  • Control equipment
Blue Series Pushbutton Switches
ImageManufacturer Part NumberDescriptionTypeCircuitAvailable QuantityBuy Now
SWITCH PUSH SPDT 3A 125V1977739-2SWITCH PUSH SPDT 3A 125VStandardSPDT183 - Immediate
SWITCH PUSH SPDT 0.06A 30V1977738-1SWITCH PUSH SPDT 0.06A 30VStandardSPDT149 - Immediate
SWITCH PUSH SPDT 3A 125V1977740-2SWITCH PUSH SPDT 3A 125VStandardSPDT68 - Immediate
SWITCH PUSH DPDT 3A 125V1977739-4SWITCH PUSH DPDT 3A 125VStandardDPDT18 - Immediate
SWITCH PUSH SPDT 3A 125V1977740-1SWITCH PUSH SPDT 3A 125VStandardSPDT27 - Immediate
SWITCH PUSH SPDT 3A 125V1977739-1SWITCH PUSH SPDT 3A 125VStandardSPDT83 - Immediate
SWITCH PUSH SPDT 0.06A 30V1977737-2SWITCH PUSH SPDT 0.06A 30VStandardSPDT52 - Immediate
SWITCH PUSH DPDT 3A 125V1977740-3SWITCH PUSH DPDT 3A 125VStandardDPDT82 - Immediate
SWITCH PUSH DPDT 3A 125V1977739-3SWITCH PUSH DPDT 3A 125VStandardDPDT86 - Immediate
SWITCH PUSH SPDT 0.06A 30V1977738-2SWITCH PUSH SPDT 0.06A 30VStandardSPDT90 - Immediate
SWITCH PUSH DPDT 0.06A 30V1977738-3SWITCH PUSH DPDT 0.06A 30VStandardDPDT99 - Immediate
SWITCH PUSH DPDT 0.06A 30V1977737-3SWITCH PUSH DPDT 0.06A 30VStandardDPDT97 - Immediate
SWITCH PUSH DPDT 0.06A 30V1977737-4SWITCH PUSH DPDT 0.06A 30VStandardDPDT95 - Immediate
SWITCH PUSH SPDT 0.06A 30V1977737-1SWITCH PUSH SPDT 0.06A 30VStandardSPDT0
SWITCH PUSH DPDT 0.06A 30V1977738-4SWITCH PUSH DPDT 0.06A 30VStandardDPDT0
Published: 2012-06-29